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प्रश्न
Name the following:
Two gases which react under pressure in presence of a catalyst at elevated temperatures to give a gaseous product.
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उत्तर
Nitrogen and Hydrogen
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संबंधित प्रश्न
Translate the following statement into chemical equation and then balance it.
Hydrogen gas combines with nitrogen to form ammonia
Balance the following equations:
\[\ce{Al(OH)3 -> Al2O3 + H2O}\]
Explain, with an example, how the physical states of the reactants and products can be shown in a chemical equation.
When metal X is treated with a dilute acid Y, then a gas Z is evolved which burns readily by making a little explosion.
- Name any two metals which can behave like metal X.
- Name any two acids which can behave like acid Y.
- Name the gas Z.
- Is the gas Z lighter than or heavier than air?
- Is the reaction between metal X and dilute acid Y exothermic or endothermic?
- By taking a specific example of metal X and dilute acid Y, write a balanced chemical equation for the reaction which takes place. Also indicate physical states of all the reactants and products.
What is the limitation of the reaction given in question 2?
Balance the following equation:
Zn + HNO3 `→` Zn(NO3)2 + H2O + NO2
Give an example of a chemical equation in which two reactants form:
one product
Give a balanced equation by partial equation method, [steps are given below].
The reaction of excess ammonia with chlorine – Ammonia as a reducing agent
- Ammonia first reacts with chlorine to give hydrogen chloride and nitrogen.
- Hydrogen chloride then further reacts with excess ammonia to give ammonium chloride.
Writing a chemical reaction in brief by using chemical formulae is called as _______.
What are products? Explain with the help of example.
